Delphi截获鼠标移开事件MouseLeave事件和MouseEnter事件，鼠标在本窗口上移动时，会告诉你鼠标的移动状态，MouseLeave或MouseEnter。-Delphi intercept mouse move events MouseLeave event and MouseEnter, move the mouse in this window, will you tell your mouse movement state, MouseLeave or MouseEnter